LG B4 Series OLED77B4PUA 77.8"
LG
68 综合评分
vs
TCL QM8K Series 75QM8K 75"
TCL
92 综合评分
买家怎么说
LG B4 Series OLED77B4PUA 77.8"
82 满分 100 置信度高 200 条评价
LG B4 OLED电视因其令人惊叹的画质、深邃的黑色和鲜艳的色彩而获得压倒性的好评，成为电影和游戏的首选。许多用户强调其作为OLED电视的卓越性价比，尽管有些人报告了webOS界面缓慢、连接问题以及偶尔的坏点或可靠性问题。内置音响被认为尚可，但通常与条形音箱搭配使用以获得更好的体验。
优点
- 令人惊叹的画质
- 深邃的黑色和鲜艳的色彩
- OLED卓越的性价比
- 非常适合游戏和电影
- 流畅的120Hz刷新率
缺点
- webOS界面缓慢
- 连接和流媒体问题
- 使用后不久出现坏点
- 内置音响质量差
- 遥控器灵敏度问题
Picture quality 35
Value for money 20
Webos performance 8
Sound quality 12
Reliability 10
Connectivity 6
TCL QM8K Series 75QM8K 75"
88 满分 100 置信度中 25 条评价
TCL QM8K 因其令人印象深刻的亮度、鲜艳的色彩和出色的 HDR 性能而广受赞誉，以更低的价格与 OLED 媲美。一些用户注意到一些小的缺点，例如视角有限、屏幕反光和偶尔的调光问题，但总体评价非常积极。一些用户提到内置扬声器出奇地好，但操作系统有时可能很慢。
优点
- 令人印象深刻的亮度和 HDR
- 接近 OLED 质量的鲜艳色彩
- 144Hz 的出色游戏性能
- 良好的内置音质
- 响应灵敏的 Google TV 界面
缺点
- 偏离中心视角有限
- 亮室中反光的屏幕
- 游戏和电影中偶尔出现调光问题
- 侧面/背面设计笨重
- 操作系统有时反应慢
Brightness 8
Picture quality 9
Build quality 3
Sound quality 7
Operating system 5
Gaming performance 4
评分
Smart Home
Streaming
Sports
Budget
Corporate
Gaming
Movies
Outdoor
Portable
规格
| LG B4 Series OLED77B4PUA 77.8" | TCL QM8K Series 75QM8K 75" | |
|---|---|---|
| Display | ||
| Size | 77.8" | 75" |
| Resolution | 4K | 4K |
| Panel Type | OLED★ | Mini-LED |
| Backlight | OLED★ | Full-Array LED |
| Aspect Ratio | — | 16:9 |
| Curved | ✗ | ✗ |
| Picture Quality | ||
| Brightness | — | 5000 nits★ |
| Peak Brightness | — | 5000 nits★ |
| Contrast Ratio | Infinite | infinite |
| Color Gamut | — | DCI-P3 |
| Color Depth | — | 10-bit★ |
| Motion Tech | — | Motion Rate 480 |
| Processor | α8 AI Processor | TCL AIPQ PRO Processor |
| HDR | ||
| HDR Formats | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) |
| Dolby Vision | ✓ | ✓ |
| HDR10+ | ✗ | ✓★ |
| HLG | ✓ | ✓ |
| Gaming | ||
| Refresh Rate | 120 Hz | 144 Hz★ |
| VRR | G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive | FreeSync Premium Pro |
| ALLM | — | ✓★ |
| Game Mode | — | ✓★ |
| Smart TV | ||
| Platform | webOS | Google TV |
| Voice Assistant | Amazon Alexa | Google Assistant, Amazon Alexa |
| Screen Mirroring | Apple AirPlay 2, Chromecast | Apple AirPlay 2, Chromecast |
| Works With | — | Amazon Alexa, Google Home, Apple Home |
| Audio | ||
| Speaker Config | 2.0 | 2.1 |
| Wattage | — | 60W★ |
| Dolby Atmos | ✓ | ✓ |
| Surround Sound | Dolby Atmos | Dolby Atmos, IMAX Enhanced, Dolby Digital Plus, Dolby Digital, DTS:X |
| eARC | ✓ | ✓ |
| Connectivity | ||
| HDMI Ports | 4 | 4 |
| HDMI Version | 2.1 | 2.1 |
| USB Ports | 2 | 2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6★ |
| Bluetooth | 5.1 | 5.4★ |
| Ethernet | ✓ | ✓ |
| Optical Audio | ✓ | ✓ |
| VESA Mount | 300mm x 200mm | 400x400 |
| Power & Size | ||
| Power | — | 450W★ |
| Energy Star | ✓★ | ✗ |
| Annual Energy | 296 kWh★ | 450 kWh |
| Weight | 22.91 kg★ | 28.39 kg |
优缺点
LG B4 Series OLED77B4PUA 77.8"
- Strong social proof (94th percentile)94th %ile
- Strong smart (90th percentile)90th %ile
- Strong connectivity (86th percentile)86th %ile
- Strong audio (77th percentile)
TCL QM8K Series 75QM8K 75"
- Strong picture quality (99th percentile)99th %ile
- Strong smart (99th percentile)99th %ile
- Strong gaming (93rd percentile)93rd %ile
- Strong connectivity (93rd percentile)93rd %ile
结论
胜出: TCL QM8K Series 75QM8K 75"
Scores 92 overall, wins 9 of 9 usage categories and 11 of 42 specs.